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Feat: implement CTB/STB plot style table with PDF export integration

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- src/io/plot_style.rs: PlotStyleTable and PlotStyleEntry data structures;
  CTB reader (deflate/zlib decompressed text format) with ACI→RGB and
  ACI→lineweight lookup; CTB writer (zlib compressed); LW_TABLE constant
- src/io/pdf_export.rs: accept optional PlotStyleTable; apply ACI color
  and lineweight overrides during PDF rendering
- src/scene/wire_model.rs: add `aci: u8` field to carry ACI index
- src/scene/render.rs: render_style() now returns ACI alongside RGBA
- src/scene/mod.rs + tessellate.rs: propagate aci through wire building
- app: PlotStyleLoad/Loaded/Clear messages and handlers;
  PLOTSTYLE LOAD | CLEAR | STATUS command; active_plot_style state on H7CAD
- flate2 added as dependency

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Hakan Seven 2026-04-06 14:37:23 +03:00
commit 1db3ad6a33
11 changed files with 429 additions and 28 deletions
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22
src/scene/tessellate.rs
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@ -94,7 +94,8 @@ pub fn tessellate(
line_weight_px,
snap_pts: te.snap_pts,
tangent_geoms: te.tangent_geoms,
key_vertices: te.key_vertices,
aci: 0,
key_vertices: te.key_vertices,
};
}
@ -119,7 +120,8 @@ pub fn tessellate(
line_weight_px: 1.0,
snap_pts: te.snap_pts,
tangent_geoms: te.tangent_geoms,
key_vertices: te.key_vertices,
aci: 0,
key_vertices: te.key_vertices,
};
}
_ => {}
@ -138,7 +140,8 @@ pub fn tessellate(
line_weight_px,
snap_pts: te.snap_pts,
tangent_geoms: te.tangent_geoms,
key_vertices: te.key_vertices,
aci: 0,
key_vertices: te.key_vertices,
};
}
}
@ -155,7 +158,8 @@ pub fn tessellate(
line_weight_px,
snap_pts: te.snap_pts,
tangent_geoms: te.tangent_geoms,
key_vertices: te.key_vertices,
aci: 0,
key_vertices: te.key_vertices,
};
}
}
@ -171,7 +175,8 @@ pub fn tessellate(
line_weight_px,
snap_pts: te.snap_pts,
tangent_geoms: te.tangent_geoms,
key_vertices: te.key_vertices,
aci: 0,
key_vertices: te.key_vertices,
};
}
@ -189,6 +194,7 @@ pub fn tessellate(
points,
color,
selected,
aci: 0,
pattern_length,
pattern,
line_weight_px,
@ -224,6 +230,7 @@ pub fn tessellate_dimension(
points,
color,
selected,
aci: 0,
pattern_length: 0.0,
pattern: [0.0; 8],
line_weight_px,
@ -274,6 +281,7 @@ fn tessellate_leader(
line_weight_px,
snap_pts: vec![],
tangent_geoms: vec![],
aci: 0,
key_vertices: vec![],
}];
}
@ -335,6 +343,7 @@ fn tessellate_leader(
points,
color,
selected,
aci: 0,
pattern_length: 0.0,
pattern: [0.0; 8],
line_weight_px,
@ -445,7 +454,8 @@ fn tessellate_multileader(
line_weight_px,
snap_pts: vec![],
tangent_geoms: vec![],
key_vertices: key_verts,
aci: 0,
key_vertices: key_verts,
}];
// Render text content as MText wire